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The computer simulation was used in order to analyze and compare circuit configurations of pulse-width converters and pulse-frequency converters. The principle of operation and main differences were described. The circuits of pulse-width converter and pulse-frequency converter were modelled in the Matlab software using blocks from the following library: Simulink / SimPowerSystem / Simscape. The block,...
The paper considers the main questions of the introduction of electric vehicles into the cities roads and the related to it questions of the development of the necessary infrastructure according to the requirements in energy and construction sectors. The authors considered the experience of the developed countries in the field of infrastructure for the electric vehicles development. A methodology...
The authors of this paper suggest a mathematical model of a vessel diesel-generator installation meeting in larger extent the specific properties of such system and its application. A distinctive feature of the method under consideration is the use of the synchronous generator itself as a precise multifunctional sensor of the diagnostic information. The paper is also presenting the results of practical...
The paper is devoted to the question of the course quality testing and analysis in the field of engineering higher education. The opportunity to develop a testing approach and method for further lifelong improvement of the courses, its activities and its teaching/learning methodologies is considered on the basis of well-known taxonomy of educational objectives. The idea is that the objectives could...
A lot of methods exist for the diagnostics of synchronous generators and diesel engine installations. One of these methods is the diagnostics with the help of currents and voltages spectrum analysis. The spectral composition of the output currents and voltages is influenced by technical condition of the synchronous generator — wear of bearing units, short-circuit of some turns of windings, etc. Such...
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